//
//  NSString+Secrecy.h
//  WestWolves
//
//  Created by JL on 16/1/9.
//  Copyright © 2016年 ZJ. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSString (Secrecy)
//保密字符串
//保密前几位
-(NSString *)secrecyFrontWithNumBit:(int)num;
-(NSString *)secrecyBehindWithNumBit:(int)num;
-(NSString *)secrecyMiddleWithFrontNumBit:(int)frontNum andBehindNumBit:(int)behindNum;
@end
